vkGetPhysicalDeviceSurfaceCapabilitiesKHR
函数原型
| VkResult vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
VkPhysicalDevice physicalDevice,
VkSurfaceKHR surface,
VkSurfaceCapabilitiesKHR* pSurfaceCapabilities);
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描述
查询surface支持的基本能力。
参数
-
physicalDevice
: 创建交换链的物理设备。
-
surface
: 与交换链关联的surface。
-
VkSurfaceCapabilitiesKHR
: VkSurfaceCapabilitiesKHR
结构体指针,返回surface基本能力。
补充
VkSurfaceCapabilitiesKHR
结构体定义:
| typedef struct VkSurfaceCapabilitiesKHR {
uint32_t minImageCount;
uint32_t maxImageCount;
VkExtent2D currentExtent;
VkExtent2D minImageExtent;
VkExtent2D maxImageExtent;
uint32_t maxImageArrayLayers;
VkSurfaceTransformFlagsKHR supportedTransforms;
VkSurfaceTransformFlagBitsKHR currentTransform;
VkCompositeAlphaFlagsKHR supportedCompositeAlpha;
VkImageUsageFlags supportedUsageFlags;
} VkSurfaceCapabilitiesKHR;
|
返回值
VK_SUCCESS
: 查询成功。 - 其他 : 查询失败。
代码示例
| // 基础表面特性
VkSurfaceCapabilitiesKHR capabilities;
// 查询基础表面特性
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &capabilities);
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